Exposure Assessment Case Study

Nursing homework help

(50 points)

Directions: After reading the Centers for Disease Control and Prevention case study, answer the following questions.

Case Study: Cross-sectional Exposure Assessment of Environmental Contaminants in Churchill County, Nevada” by the Centers for Disease Control and Prevention.t http://www.cdc.gov/nceh/clusters/fallon/factsheet.pdf

1) Identify the agent:_________________________________________

2) What type of agent is described?

|_| biological

|_| chemical

3) Source:

|| anthropogenic || non-anthropogenic

|| area || point

|| stationary || mobile

|| indoor || outdoor

4) Transport/carrier medium:

|_| air

|_| water

|_| soil

|_| dust

|_| food product item

5) Exposure pathways:

|_| eating contaminated food

|_| breathing contaminated air

|_| touching a contaminated surface

|_| drinking contaminated water

6) Exposure concentration:

|| mg/kg (food) || mg/litre (water)

|| ug/m3 (air) || ug/cm3 (contaminated surfaces)

|| % by weight || fibres/m3 (air)

7) Exposure route:

|| inhalation || dermal contact

|| ingestion || multiple routes

8) Exposure frequency:

|| continuous || intermittent

|| cyclic || random

|_| rare

9) Exposure duration:

|| seconds || minutes

|| hours || days

|| weeks || months

|| years || lifetime

10) Exposure setting:

|| occupational || non-occupational

|| residential || non-residential

|| indoors || outdoors

11) Exposed population:

|_| general population

|_| population subgroups

|_| individuals

12) Geographic scope:

|| site || specific

|| local || regional

|| national || international

|_| global

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